Light focusing structure
A focusing structure and asymmetric structure technology, applied in the field of light energy focusing, can solve the problems of inconvenient three-dimensional size, high price, and difficult structure control, etc., and achieve the effect of high feasibility and high scalability
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[0020] The object of the present invention is to provide a light focusing structure that can focus light energy on the tip of the three-dimensional structure under broad-spectrum lighting conditions.
[0021] The specific implementation plan is as follows:
[0022] The structure is a three-dimensional tapered asymmetric structure made of photoresist. On the side of the tapered asymmetric structure, there are two tapered planes and the other tapered arc surface. The bottom surface of the conical asymmetric structure is a plane, and a metal layer is plated on the surface of the conical asymmetric structure. The arc surface of the cone is an arc on the bottom surface of the tapered asymmetric structure, and the two tapered planes are respectively the radius of the line segment AB and the line segment OB+arc on the bottom surface of the tapered asymmetric structure, so The ratio of the height of the three-dimensional conical asymmetric structure to the radius of the bottom surfac...
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